Project description
Silicon spin qubits could bring practical quantum computers a step closer
Quantum computers could provide breakthroughs in many disciplines. However, the number of qubits needed for a useful quantum computer, one that could compete with a classical PC in solving complex computational problems, is in the hundreds of thousands. Silicon spin qubits are an appealing alternative to competing qubit technologies. The EU-funded QLSI project aims to demonstrate that silicon spin qubits are a compelling platform for scaling to very large numbers of qubits. Demonstration activities will focus on the following: 16-qubit quantum processors based on modern semiconductor manufacturing techniques; high-fidelity single- and two-qubit gates; quantum computer prototypes with online open-access for the community (up to 8 qubits available online); documentation of the detailed requirements to address scalability towards large systems > 1 000 qubits.
Objective
We propose a 4-year project QLSI, Quantum Large Scale Integration in Silicon, which objective is to demonstrate that silicon spin qubits are a compelling platform for scaling to very large numbers of qubits. Our demonstration relies on four ingredients:
• Fabrication and operation of 16-qubit quantum processors based on industry-compatible semiconductor technology;
• Demonstration of high-fidelity (>99%) single- and two-qubit gates, read-out and initialization;
• Demonstration of a quantum computer prototype, with online open-access for the community (up to 8 qubits available online);
• Documentation of the detailed requirements to address scalability towards large systems >1000 qubits.
To achieve these results, our consortium brings together an unrivalled multidisciplinary team of European groups in academia, RTOs and industry working on silicon-based quantum devices. These groups are committed to playing an active part in developing the industrial ecosystem in silicon-based quantum technologies.
QLSI is structured in three enabling toolboxes and one demonstration and scalability activity:
- the semiconductor toolbox brings together skills from the semiconductor industry such as fabrication, high throughput test and CAD (computer aided design) with the expertise of the physics community;
- the quantum toolbox gathers skills from the physics community on spin and quantum properties of Si based nanostructures and on quantum engineering from theory and experience perspectives;
- the control toolbox gathers teams with instrumentation skills ranging from RF signal generation, automation and set up of high throughput characterization at low temperature.
The toolboxes will generate stand-alone beyond the state-of-the-art results and will generate inputs to feed the demonstrator and scalability activity, which will integrate devices, hardware and software solutions to create an online open access demonstrator, to perform hybrid computation and to analyze scalability.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques.
- social sciencessociologyindustrial relationsautomation
- engineering and technologyelectrical engineering, electronic engineering, information engineeringelectronic engineeringcomputer hardwarequantum computers
- natural sciencesphysical scienceselectromagnetism and electronicssemiconductivity
- natural sciencesbiological sciencesecologyecosystems
- natural scienceschemical sciencesinorganic chemistrymetalloids
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Programme(s)
Funding Scheme
RIA - Research and Innovation actionCoordinator
75015 PARIS 15
France
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Participants (19)
2628 CN Delft
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75794 Paris
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3001 Leuven
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2595 DA Den Haag
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80686 Munchen
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1165 Kobenhavn
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WC1E 6BT London
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52428 Julich
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Legal entity other than a subcontractor which is affiliated or legally linked to a participant. The entity carries out work under the conditions laid down in the Grant Agreement, supplies goods or provides services for the action, but did not sign the Grant Agreement. A third party abides by the rules applicable to its related participant under the Grant Agreement with regard to eligibility of costs and control of expenditure.
52062 Aachen
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4051 Basel
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7522 NB Enschede
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SL2 4HD Maidenhead
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78464 Konstanz
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15236 Frankfurt Oder
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78340 Les Clayes Sous Bois
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92120 MONTROUGE
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01099 Dresden
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N7 9HJ LONDON
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The organization defined itself as SME (small and medium-sized enterprise) at the time the Grant Agreement was signed.
38190 Bernin
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